.course-img{
    position: relative;
    width: 100%;
    height: 371px;
    img{
        width: 100%;
        height: 100%;
    }
    .back{
        position: absolute;
        top: 9px;
        left: 9px;
        width: 40px;
        height: 40px;
        font-size: 40px;
        color: #fff;
        line-height: 40px;
        text-align: center;
    }

    
    .start i{
        position: absolute;
        left:ceil(50% - 5px);
        top: ceil(50% - 5px);
        font-size: 50px;
        color: #fff;
    }
}
.course-title{
    width: 100%;
    height: 101px;
    padding: 25px 0;
    border-bottom: 1px solid #BBB;
    h1{
        font-size: 24px;
    }
    .need{
        height: 32px;
        line-height: 32px;
        position: relative;
        color: #8A8A8A;
        .calorie,.timer{
            color: #101010;
            font-size: 20px;
        }
        .timer{
            margin-left: 30px;
        }
        .do{
            position: absolute;
            right: 0px;
        }
    }
}
.content{
    width: 100%;
    height: 291px;
    // padding:0  25px;
    margin: 0 auto;
}
.personal{
    position: relative;
    display: flex;
    width: 100%;
    .awater{
        width: 80px;
        height: 80px;
        border-radius: 50%;
        overflow: hidden;
        margin-top: 20px;
        img{
            width: 100%;
            height: 100%;
        }
    }
    .user{
        margin-top: 35px;
        margin-left: 15px;
        font-size: 18px;
        .user-desc{
            margin-top: 5px;
            font-size: 14px;
            color: #8A8A8A;
        }
    }
    .follow{
        position: absolute;
        top: 43px;
        right: 0;
        width: 80px;
        height: 35px;
        color: #fff;
        text-align: center;
        line-height: 35px;
        background-color: rgba(66, 148, 255, 1);
        border-radius: 23px;
    }
}
.desc{
    margin-top: 20px;
    color: #8A8A8A;
    font-size: 14px;
    a{
        color: #000;
    }
}
.practice{
    display: flex;
    width: 100%;
    height: 121px;
    // background-color: plum;
    padding-top:35px;
    i{
        font-size: 23px;
        color: #333;
    }
    .practice-counts{
        height: 50px;
        border-right: 1px dashed #BBB;
        span{
            margin-left: 5px;
        }
        .counts{
            color: #8A8A8A;
            font-size: 14px;
            margin-left: 25px;
        }
    }
    .weapon{
        margin-left: 25px;
        .counts{
            color: #8A8A8A;
            font-size: 14px;
        }
    }
    .counts{
        margin-top: 11px;
    }
}
.btn{
    width: 90%;
    height: 55px;
    line-height: 55px;
    text-align: center;
    color: #fff;
    background-color: #4294FF;
    border-radius: 27px ;
    margin: 0 auto;
}